Alliedsignal Inc.

Allied Corporation

Jim C Sun

Gene C Weedon

James J Dunbar

Mark B Boone

Thomas Y Tam

A method to prepare high strength high modulus polyolefin shaped articles comprising forming a heated solution of the polyolefin from particles of which about 75 to 100% by weight have a particle size of from about 100 to about 400 microns and having a weight average molecular weight of from about 300,000 to 7,000,000, then shaping the heated soltion then cooling the shaped solution. To further increase the strength of the article it can be stretched.

Method to prepare high strength ultrahigh molecular weight polyolefin

A method of extracting a material from a continuous running length of fiber comprising continuously moving the fiber through a conduit while simultaneously flowing a solvent for the material through the conduit with the conduit having a length and cross sectional area sufficient to facilitate extraction of the desired amount of the material. The flow is countercurrent to the movement of the fiber.

Method to extract material from a running length of fiber

This invention is an apparatus and method of extracting a material from a continuous running length of fiber comprising continuously moving the fiber through a conduit while simultaneously flowing a solvent for the material through the conduit with the conduit having a length and cross sectional area sufficient to facilitate extraction of the desired amount of the material. The flow is preferred to be countercurrent to the movement of the fiber.

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Midlothian, VA, United States of America

Jim C Sun